Home / 15,899.38-23,851.68-5,368.40

Finding the Fourth Proportional to 15,899.38, 23,851.68 and 5,368.40

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Solution

The fourth proportional to 15,899.38, 23,851.68 and 5,368.40 is: 8,053.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,899.38 : 23,851.68 = 5,368.40 : x
  2. Step 2: Convert to fraction form
    15,899.38/23,851.68 = 5,368.40/x
  3. Step 3: Cross multiply
    15,899.38x = 23,851.68 × 5,368.40
  4. Step 4: Simplify right side
    15,899.38x = 128,045,358.91
  5. Step 5: Solve for x
    x = 128,045,358.91/15,899.38
  6. Step 6: Final answer
    x = 8,053.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.